CN108529939A - A kind of preparation method of steel scoria unburned brick - Google Patents
A kind of preparation method of steel scoria unburned brick Download PDFInfo
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- CN108529939A CN108529939A CN201810394436.1A CN201810394436A CN108529939A CN 108529939 A CN108529939 A CN 108529939A CN 201810394436 A CN201810394436 A CN 201810394436A CN 108529939 A CN108529939 A CN 108529939A
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- brick
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/006—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of preparation method of steel scoria unburned brick belongs to the refuse reclamation technology of field of environment protection, its raw material proportioning is that steel-making slag powder is 40 70 parts, and flyash is 10 40 parts, and carbide slag is 10 20 parts, and it is 15% the 18% of solid amount that water, which is matched,.After ingredients are mixed, using hydrostatic profile method compression moulding, type block is placed in standard curing box again and is conserved 5 10 hours, it is 45 DEG C 85 DEG C that type block, which is placed in temperature, again, humidity be 90% 98% under the conditions of curing box in conserve 10 14 hours, finally type block is placed in still kettle and carries out steam press maintenance 57 hours, still kettle temperature is 160 DEG C 200 DEG C, pressure is 1.0 1.5MPa, finally obtained high compressive strength steel scoria unburned brick product.It is raw material present invention employs trade wastes such as slags, reduces the manufacturing cost of steel slag brick, alleviate pollution problem of the Industrial Solid Wastes such as slag to environment.
Description
Technical field
The invention belongs to the refuse reclamation technologies of field of environment protection, are related to non-burning brick technology of preparing, more particularly to a kind of
The preparation method of steel scoria unburned brick.
Background technology
The a large amount of discharges and accumulation of the industrial solid castoffs such as slag, flyash, carbide slag bring very big dirt to environment
Dye, urgent need will be disposed and be utilized.Slag, flyash and carbide slag three's mixture have class cement functional, can be used for preparing water
Mud class construction material.Using slag, flyash and carbide slag three's mixture prepare high intensity is non-burning brick not only can be extensive
Recycling Industrial Solid Waste, and can obtain high-quality non-burning brick, there is good social enviroment protection benefit and significant economic
Benefit.
Currently, steel scoria unburned brick generally use steel slag particle or steel-making slag powder are raw material, cement or other inorganic gels are added
Agent is prepared.It is long generally there is curing time in the preparation method of traditional steel scoria unburned brick（Such as patent CN 101927524
The curing time for the steel scoria unburned brick that A is proposed was at 15-20 days）；Or compression strength is low（As patent CN101250050A is proposed
Steel scoria unburned brick compression strength only has 15MPa or so, and the steel scoria unburned brick compression strength that patent CN1371789A is proposed is at 7 days
10MPa can be reached）；Or there is the problems such as cement additive amount is relatively large（As the patent CN107673685A slags proposed are exempted from
Bake bricks cement mixing content position 18-25%）.It is larger that these problems lead to will appear in actual production production floor space, cement addition
Amount is big, causes raw materials for production cost higher, it is difficult to meet the requirement in practical application market.
Invention content
It is an object of the invention to be directed to the defects of existing steel scoria unburned brick preparation method problem, stress to solve existing steel
Slag bake-free brick curing time is grown and the high problem of production cost.
A kind of preparation method of steel scoria unburned brick provided by the invention, implementation process are：First by a certain amount of slag
Micro mist, flyash and carbide slag are uniformly mixed, and solid mixture is made；A certain amount of water is added into solid mixture again, stirs
It mixes and is mixed and made into uniform moist material；Then moist material is placed in the mold of compression moulding, in certain pressure and pressurize
Between under the conditions of be pressed into non-burning brick green compact；Green body brick is conserved according to certain conservation system finally, high intensity is finally made
Steel scoria unburned brick product.
The slag micro powder, flyash and carbide slag are all from industrial solid waste, quality mixture ratio example
For：40-70 parts of slag micro powders, 10-40 parts of flyash, 10-20 parts of carbide slags.
The water added to solid mixture, additive amount are the 15%-18% of solid mixture weight.
The pressure limit of the compression moulding is 15-20MPa, and the pressing time is 5-15 seconds.
The conservation system of the Green body brick is：Then it is small to carry out thermal curing 10-15 for advanced row standard curing 5-10 hours
When, heat curing condition is：45 DEG C -85 DEG C, maintenance humidity 90%-98% of curing temperature, finally carries out steam press maintenance 5-7 hours,
Steam press maintenance condition is：180 DEG C -200 DEG C of temperature, pressure 1.0-1.5MPa.
Compared with prior art, beneficial effects of the present invention：
The present invention prepares high strength steel slag bake-free brick by raw material of industrial by-product solid waste, advantageously reduces production cost,
Realize the scale comprehensive utilization of solid waste；The compound maintenance being combined with thermal curing and steam press maintenance using standard curing
System is conducive to the intensity for improving brick, shortens the curing time of brick, improves production efficiency.
Embodiment one：
Steel-making slag powder 1.0kg, flyash 0.6kg, carbide slag 0.4kg are quantitatively weighed respectively, and load weighted material is poured into mortar and is stirred
In the agitated kettle for mixing machine, it is stirred 3 minutes；Then it accurately weighs tap water 0.3kg to pour into agitated kettle, stir 5 minutes, system
The moist material for obtaining brickmaking is spare.Then the brickmaking humidity material prepared is all added at one time in brickmaking steel mold, and will
Mold after charging is put into compression moulding in hydrostatic profile machine, and briquetting pressure is set as 15MPa, and voltage stabling control is 5 seconds；Then it takes off
Mould obtains steel slag brick green compact.Steel slag brick green compact are placed in standard curing box, it is small that 6 are conserved under 20 DEG C, 98% damp condition
When；It is 70 DEG C to adjust curing box temperature, is conserved 12 hours under 70 DEG C, 98% damp condition；Adobe is taken out from curing box,
It is put into steam press maintenance in still kettle, still kettle heating-up time 2h makes temperature in the kettle reach 200 DEG C, then constant temperature 6h, finally closes
Still kettle, Temperature fall take out steel slag brick, and method tests its compression strength according to national standards, measures steel slag brick compression strength
For 27.5MPa.
Embodiment two：
Steel-making slag powder 1.2kg, flyash 0.6kg, carbide slag 0.2kg are quantitatively weighed respectively, and load weighted material is poured into mortar and is stirred
In the agitated kettle for mixing machine, it is stirred 3 minutes；Then it accurately weighs tap water 0.3kg to pour into agitated kettle, stir 5 minutes, system
The moist material for obtaining brickmaking is spare.Then the brickmaking humidity material prepared is all added at one time in brickmaking steel mold, and will
Mold after charging is put into compression moulding in hydrostatic profile machine, and briquetting pressure is set as 15MPa, and voltage stabling control is 5 seconds；Then it takes off
Mould obtains steel slag brick green compact.Steel slag brick green compact are placed in standard curing box, it is small that 6 are conserved under 20 DEG C, 98% damp condition
When；It is 70 DEG C to adjust curing box temperature, is conserved 12 hours under 70 DEG C, 98% damp condition；Adobe is taken out from curing box,
It is put into steam press maintenance in still kettle, still kettle heating-up time 2h makes temperature in the kettle reach 200 DEG C, then constant temperature 6h, finally closes
Still kettle, Temperature fall take out steel slag brick, and method tests its compression strength according to national standards, measures steel slag brick compression strength
For 28.5MPa.
Embodiment three：
Steel-making slag powder 1.0kg, flyash 0.6kg, carbide slag 0.4kg are quantitatively weighed respectively, and load weighted material is poured into mortar and is stirred
In the agitated kettle for mixing machine, it is stirred 3 minutes；Then it accurately weighs tap water 0.3kg to pour into agitated kettle, stir 5 minutes, system
The moist material for obtaining brickmaking is spare.Then the brickmaking humidity material prepared is all added at one time in brickmaking steel mold, and will
Mold after charging is put into compression moulding in hydrostatic profile machine, and briquetting pressure is set as 20MPa, and voltage stabling control is 5 seconds；Then it takes off
Mould obtains steel slag brick green compact.Steel slag brick green compact are placed in standard curing box, it is small that 6 are conserved under 20 DEG C, 98% damp condition
When；It is 70 DEG C to adjust curing box temperature, is conserved 12 hours under 70 DEG C, 98% damp condition；Adobe is taken out from curing box,
It is put into steam press maintenance in still kettle, still kettle heating-up time 2h makes temperature in the kettle reach 200 DEG C, then constant temperature 6h, finally closes
Still kettle, Temperature fall take out steel slag brick, and method tests its compression strength according to national standards, measures steel slag brick compression strength
For 33.1MPa.
Example IV：
Steel-making slag powder 1.0kg, flyash 0.6kg, carbide slag 0.4kg are quantitatively weighed respectively, and load weighted material is poured into mortar and is stirred
In the agitated kettle for mixing machine, it is stirred 3 minutes；Then it accurately weighs tap water 0.3kg to pour into agitated kettle, stir 5 minutes, system
The moist material for obtaining brickmaking is spare.Then the brickmaking humidity material prepared is all added at one time in brickmaking steel mold, and will
Mold after charging is put into compression moulding in hydrostatic profile machine, and briquetting pressure is set as 20MPa, and voltage stabling control is 5 seconds；Then it takes off
Mould obtains steel slag brick green compact.Steel slag brick green compact are placed in standard curing box, it is small that 10 are conserved under 20 DEG C, 98% damp condition
When；It is 70 DEG C to adjust curing box temperature, is conserved 15 hours under 70 DEG C, 98% damp condition；Adobe is taken out from curing box,
It is put into steam press maintenance in still kettle, still kettle heating-up time 2h makes temperature in the kettle reach 200 DEG C, then constant temperature 6h, finally closes
Still kettle, Temperature fall take out steel slag brick, and method tests its compression strength according to national standards, measures steel slag brick compression strength
For 30.1MPa.
Embodiment five：
Steel-making slag powder 1.0kg, flyash 0.6kg, carbide slag 0.4kg are quantitatively weighed respectively, and load weighted material is poured into mortar and is stirred
In the agitated kettle for mixing machine, it is stirred 3 minutes；Then it accurately weighs tap water 0.3kg to pour into agitated kettle, stir 5 minutes, system
The moist material for obtaining brickmaking is spare.Then the brickmaking humidity material prepared is all added at one time in brickmaking steel mold, and will
Mold after charging is put into compression moulding in hydrostatic profile machine, and briquetting pressure is set as 20MPa, and voltage stabling control is 5 seconds；Then it takes off
Mould obtains steel slag brick green compact.Steel slag brick green compact are placed in standard curing box, it is small that 10 are conserved under 20 DEG C, 98% damp condition
When；It is 70 DEG C to adjust curing box temperature, is conserved 15 hours under 70 DEG C, 98% damp condition；Adobe is taken out from curing box,
It is put into steam press maintenance in still kettle, still kettle heating-up time 2h makes temperature in the kettle reach 180 DEG C, then constant temperature 6h, finally closes
Still kettle, Temperature fall take out steel slag brick, and method tests its compression strength according to national standards, measures steel slag brick compression strength
For 34.2MPa.
Claims (5)
1. a kind of preparation method of steel scoria unburned brick, it is characterized in that：First, in accordance with 40-70 parts of slag micro powders, 10-40 parts of fine coal
The ratio of ash, 10-20 parts of carbide slags is uniformly mixed, and solid mixture is made；Solid mixture is added into solid mixture again
The water of the 15%-18% of weight is stirred and uniform moist material is made；Then moist material is placed in press-moulding die,
It is pressed into non-burning brick green compact to pressure and under the conditions of the dwell time；Finally Green body brick is conserved according to conservation system, it is final to make
Obtain high strength steel slag bake-free brick product.
2. a kind of preparation method of steel scoria unburned brick as described in claim 1, which is characterized in that the slag micro powder, flyash
It is all from industrial solid waste with carbide slag.
3. a kind of preparation method of steel scoria unburned brick as described in claim 1, which is characterized in that the pressure of the compression moulding is
15-20MPa, pressing time are 5-15 seconds.
4. a kind of preparation method of steel scoria unburned brick as described in claim 1, which is characterized in that the conservation system of the Green body brick
For：Advanced row standard curing 5-10 hours, then carries out thermal curing 10-15 hours, and heat curing condition is：45 DEG C of curing temperature-
85 DEG C, maintenance humidity 90%-98%, finally carry out steam press maintenance 5-7 hours, steam press maintenance condition is：180 DEG C -200 of temperature
DEG C, pressure 1.0-1.5MPa.
5. a kind of preparation method of steel scoria unburned brick as described in claim 1, which is characterized in that the high strength steel slag bake-free brick
Compression strength be 27.5 ~ 35MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810394436.1A CN108529939A (en) | 2018-04-27 | 2018-04-27 | A kind of preparation method of steel scoria unburned brick |
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| CN201810394436.1A CN108529939A (en) | 2018-04-27 | 2018-04-27 | A kind of preparation method of steel scoria unburned brick |
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| CN108529939A true CN108529939A (en) | 2018-09-14 |
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| CN201810394436.1A Pending CN108529939A (en) | 2018-04-27 | 2018-04-27 | A kind of preparation method of steel scoria unburned brick |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642586A (en) * | 2019-11-20 | 2020-01-03 | 山东绿源固体废弃物产业化应用研究院 | Production method of inorganic stone |
| CN112851208A (en) * | 2021-01-13 | 2021-05-28 | 山西大学 | Solid waste based inorganic artificial stone and preparation method thereof |
| CN114591056A (en) * | 2022-03-15 | 2022-06-07 | 山西大学 | High-doping-amount industrial solid waste base artificial stone and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642586A (en) * | 2019-11-20 | 2020-01-03 | 山东绿源固体废弃物产业化应用研究院 | Production method of inorganic stone |
| CN112851208A (en) * | 2021-01-13 | 2021-05-28 | 山西大学 | Solid waste based inorganic artificial stone and preparation method thereof |
| CN114591056A (en) * | 2022-03-15 | 2022-06-07 | 山西大学 | High-doping-amount industrial solid waste base artificial stone and preparation method thereof |
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